| Obidos to Opwijk | 1,029.05 mi (1,656.10 km) |
| Obidos to Ostend | 1,005.64 mi (1,618.42 km) |
| Obidos to Oud-Heverlee | 1,037.33 mi (1,669.42 km) |
| Obidos to Oud-Turnhout | 1,070.61 mi (1,722.98 km) |
| Obidos to Oudenaarde | 1,005.74 mi (1,618.58 km) |
| Obidos to Oudenburg | 1,005.65 mi (1,618.44 km) |
| Obidos to Oupeye | 1,062.54 mi (1,709.99 km) |
| Obidos to Overijse | 1,030.76 mi (1,658.84 km) |
| Obidos to Overpelt | 1,079.17 mi (1,736.76 km) |
| Obidos to Paal | 1,063.05 mi (1,710.81 km) |
| Obidos to Peer | 1,076.33 mi (1,732.19 km) |
| Obidos to Pepinster | 1,061.76 mi (1,708.74 km) |
| Obidos to Peruwelz | 988.46 mi (1,590.77 km) |
| Obidos to Perwez | 1,031.94 mi (1,660.75 km) |
| Obidos to Philippeville | 1,003.35 mi (1,614.74 km) |
